Tubular latches are easy to fit with a standard tool kit, no complex morticing is required. They are perfect for using on contemporary designs of internal household doors where you are using lever handles on round roses where you can bolt right through the door and the latch to give a really firm fixing. They are also suitable for use with door handles on a backplate, which are surface mounted through the holes in the backplate. The Gridlock tubular latch come in two backset sizes, 44mm & 57mm. It has been tested to EN12209:2003 and can be used on fire doors. The 8mm follower is flanked by bolt thru’ fixing holes allowing the best fixing for all modern lever handles.
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